<?php
// +----------------------------------------------------------------------
// | 节流设置
// +----------------------------------------------------------------------
use think\middleware\Throttle;
use think\middleware\throttle\CounterFixed;
use think\Request;
use think\Response;


// 中间件配置
return [
    // 缓存键前缀，防止键值与其他应用冲突
    'prefix' => 'throttle_',
    // 缓存的键，true 表示使用来源ip
    'key' => true,
    // 要被限制的请求类型, eg: GET POST PUT DELETE HEAD
    'visit_method' => ['GET','POST','PUT','DELETE','HEAD'],
    // 设置访问频率，例如 '10/m' 指的是允许每分钟请求10次。值 null 表示不限制， eg: null 10/m  20/h  300/d 200/300
    'visit_rate' => '5/m',
    // 访问受限时返回的响应
    'visit_fail_response' => function (Throttle $throttle, Request $request, int $wait_seconds) {
        return Response::create('Too many requests, try again after ' . $wait_seconds . ' seconds.')->code(429);
    },
];